"Price a halfpenny, 13 for 6d., or 50 1s. 9d. Of whom may be had, a Summary of the evidence relating to the slave trade, by the same author, 3d edit. at 3s 6d per hundred. Also, speedily will be published by the same author, Observations on the conduct of the committee instituted in London for the abolition of the slave trade."
"Persons in the country, ordering 1000, may have an edition worked off, with their names and residences in the title."
Also attributed to William Bell Crafton
First and 4th eds. published by Gurney of the Summary of the evidence printed in 1792